/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.metron.stellar.common.evaluators;

import org.apache.metron.stellar.dsl.Token;
import org.apache.metron.stellar.common.FrameContext;
import org.apache.metron.stellar.common.generated.StellarParser;

public class DoubleLiteralEvaluator implements NumberEvaluator<StellarParser.DoubleLiteralContext> {
  @Override
  public Token<Double> evaluate(StellarParser.DoubleLiteralContext context, FrameContext.Context contextVariety) {
    if (context == null) {
      throw new IllegalArgumentException("Cannot evaluate a context that is null.");
    }

    return new Token<>(Double.parseDouble(context.getText()), Double.class, contextVariety);
  }
}
